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Honour error returned by virBitmapFormat

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The code formatting NUMA args was ignoring the return value
of virBitmapFormat, so on OOM, it would silently drop the
NUMA cpumask arg.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2013-09-23 17:43:47 +01:00
parent a4b0c75ce8
commit b81f30566b
1 changed files with 15 additions and 15 deletions
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6
src/qemu/qemu_command.c
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@ -6861,8 +6861,9 @@ qemuBuildNumaArgStr(const virDomainDefPtr def, virCommandPtr cmd)
virCommandAddArg(cmd, "-numa");
virBufferAsprintf(&buf, "node,nodeid=%d", def->cpu->cells[i].cellid);
virBufferAddLit(&buf, ",cpus=");
cpumask = virBitmapFormat(def->cpu->cells[i].cpumask);
if (cpumask) {
if (!(cpumask = virBitmapFormat(def->cpu->cells[i].cpumask)))
goto cleanup;
/* Up through qemu 1.4, -numa does not accept a cpus
* argument any more complex than start-stop.
*
@ -6876,7 +6877,6 @@ qemuBuildNumaArgStr(const virDomainDefPtr def, virCommandPtr cmd)
goto cleanup;
}
virBufferAdd(&buf, cpumask, -1);
}
def->cpu->cells[i].mem = VIR_DIV_UP(def->cpu->cells[i].mem,
1024) * 1024;
virBufferAsprintf(&buf, ",mem=%d", def->cpu->cells[i].mem / 1024);